A020634 Smallest nonempty set S containing prime divisors of 10k+4 for each k in S.

2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 47, 67, 71, 73, 79, 97, 127, 157, 167, 197, 241, 337, 367, 397, 487, 523, 569, 787, 1741, 1987, 2437, 2617, 8707

Offset

1,1

Links

Table of n, a(n) for n=1..34.

Crossrefs

Cf. A020596. [From R. J. Mathar, Oct 25 2008]

Sequence in context: A178943 A038613 A075235 * A173555 A086339 A333364

Adjacent sequences: A020631 A020632 A020633 * A020635 A020636 A020637

Keyword

nonn,fini,full

Author

David W. Wilson

Status

approved